Node.js Best Practices - Decimals and Big Integers #1010
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| JSON numbers cannot reliably capture 64-bit binary format IEEE 754 values. | ||
| That is, they loose precision for numbers with more than 16 digits and/or when converting to binary, for example, for a calculation: | ||
| ``` |
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| ``` | |
| ```txt | |
| > 12345678901234567 | |
| 12345678901234568 | |
| > 0.1+0.2 | |
| 0.30000000000000004 | |
| ``` |
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| Inbound, the new (and default) protocol adapters accept numbers in decimal notation (`1.23`), numbers in exponential notation (`1.23e1`), as well as strings in decimal notation (`'1.23'`). | ||
| The are taken as is and __not__ normalized. | ||
| Hence, your custom code must be able to handle both numbers and strings: | ||
| ``` |
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Suggested change
| ``` | |
| ```txt | |
| > 1 + '1' | |
| '11' | |
| > Number(1) + Number('1') | |
| 2 | |
| ``` |
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